Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
December's arrival correlates with a reduction in the average high-temperature, down from a frosty 9.2°C (48.6°F) in November to a wintry 2.7°C (36.9°F). Throughout December, Nonai's nights experience a slight temperature dip to a freezing cold -1.1°C (30°F).Humidity
In December, the average relative humidity is 81%.Rainfall
In Nonai, in December, it is raining for 6.4 days, with typically 35mm (1.38") of accumulated precipitation. Throughout the year, in Nonai, there are 121.9 rainfall days, and 404mm (15.91") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Nonai, in December, during 11.3 snowfall days, 127mm (5") of snow is typically accumulated. Throughout the year, in Nonai, there are 59.1 snowfall days, and 518mm (20.39") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 06:41 and sunset at 16:09. On the last day of the month, sunrise is at 07:00 and sunset at 16:18 JST.
Sunshine
In December, the average sunshine is 2.6h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Nonai in December?
What is the average humidity in December in Nonai?
How many days does it rain in December in Nonai?
How much does it snow in Nonai in December?
What is the month with the shortest days in Nonai?
How many hours of daylight does Nonai have in December?
When is the sunrise / sunset in December in Nonai?
How long on average sun shines in December in Nonai?
What are the months with the lowest UV index in Nonai?
What is the UV index reading in December in Nonai?
Average temperature in December
Nonai, Japan
- Average high temperature in December: 2.7°C
The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in December: -1.1°C
The month with the highest average low temperature is August (19.3°C).
The coldest month (with the lowest average low temperature) is February (-4.4°C).
Average pressure in December
Nonai, Japan
- Average pressure in December: 1014.6mbar
The month with the highest atmospheric pressure is November (1017.4mbar).
The month with the lowest atmospheric pressure is July (1008.9mbar).
Average wind speed in December
Nonai, Japan
- Average wind speed in December: 19.9km/h
The windiest month (with the highest average wind speed) is December (19.9km/h).
The calmest month (with the lowest average wind speed) is July (9.9km/h).
Average humidity in December
Nonai, Japan
- Average humidity in December: 81%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Nonai, Japan
- Average rainfall in December: 35mm
The wettest month (with the highest rainfall) is July (58mm).
The driest months (with the least rainfall) are March, April and November (25mm).
Average rainfall days in December
Nonai, Japan
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in December
Nonai, Japan
- Average snowfall in December: 127mm
The month with the highest snowfall is January (141mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Nonai, Japan
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Nonai, Japan
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 2h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in December
Nonai, Japan
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is May (18.3 days).
The month with the least sunshine days is February (9.9 days).
Average UV index in December
Nonai, Japan
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Nonai, Japan
- Average cloud cover in December: 75
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in December
Nonai, Japan
- Average visibility in December: 9km
The month with the highest visibility is October (10km).
The month with the lowest visibility is July (8km).
